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- Sr and Pb isotopic compositions are identical to or similar to some ocean island basalts and mantle plume constituent. Nd、Sr、Pb同位素组成与洋岛玄武岩和一些地幔柱组分相同或相近。
- Ocean island basalt 洋岛玄武岩
- The other includes Samoa type oceanic island basalts,with low La/Nb and Ba/Nb, and high Nb/Th ratios. 具有低La/Nb、Ba/Nb和高Nb/Th的萨莫德型海岛玄武岩。
- The basic rocks, which belong to alkali and tholeiitic magma series, enriched in LREE and LIL. The magmatic source of basic volcanic rocks was enrichment mantle being analogous to oceanic island basalts sources. 基性火山岩有磁性玄武岩与拉斑玄武岩两个岩浆系列,且富集LREE与LIL,其岩浆源区为与洋岛玄武岩源相似的富集地幔柱源。
- The mantle dynamic significance of the helium isotope component of oceanic island basalt 全球洋岛玄武岩氦同位素组成的地幔动力学意义
- oceanic island basalt 海岛玄武岩
- Oceanic island basalt (OIB) 洋岛玄武岩(OIB)
- The ophiolite partly formed ocean ridge, mainly formed in an ocean island. 蛇绿岩环境分析表明,部分为洋中脊环境,大部分为洋岛环境。
- Low-temperature alteration of oceanic island basalts and their contribution to transition metal cycle of the ocean 大洋岛屿玄武岩低温蚀变作用及其对大洋过渡金属循环的贡献
- Different from other provinces, Hainan is the second largest ocean island and the smallest land province in China. 与其它省份不一样的是,海南是中国第二大海洋省,但陆地面积却是最小。
- Rock geochemistry displays an ocean island environment during the late Sinian when the Yili block broke away from the Tarim plate. 培面出露较好;岩石化学、地球化学特征显示为大洋岛屿环境;是震旦纪晚期伊犁地块从塔里木板块裂解时的产物.
- PREMA(FOZO) is a popular end member of mantle for all ocean island and flood basalts, probably representing the lower mantle. PREMA(FOZO)则是洋岛玄武岩和溢流玄武岩公共端员。
- In March the Comoran army, backed by African Union forces, invaded the Indian Ocean island to depose rebel leader Col.Mohamed Bacar. 今年3月非洲联盟部队在科摩罗军队的支持下,侵入印度洋岛国推翻了反政府武装首领穆罕默德巴卡尔上校。
- Most theories about how the dodo became extinct blame early settlers who found the plump flightless bird on the Indian Ocean island in the 16th century and hunted it relentlessly. 大多数有关渡渡鸟灭绝的理论都归咎于那些早期的定居者,他们认为在16世纪,早期的定居者在印度洋岛屿上发现毫无反抗能力的肥硕大鸟,并无情猎捕。
- Three forces are combining with deadly effect on the Indian Ocean island, which is incalculably rich in wildlife but impoverished in basic infrastructure. 马达加斯加,这个野生动物资源无比丰富但基础建设薄弱的印度洋岛屿国家,还受到三股力量的致命影响。
- At one point Mr.Rajoelina appeared to overreach, announcing that President Marc Ravalomanana had lost control of the Indian Ocean island nation and that he was in charge. 雷佐里看来一度做过了头,宣称拉瓦罗马纳总统已经失去了对这个印度洋岛国的控制,而他本人已经接管。
- Reports from the Indian ocean Ocean island of Madagascar said say there has been a new outbreak of violence . s involving opposition supporters and that several people have been killed. 印度洋上的马达加斯加岛有报道称,当地发生涉及反对党支持者的暴乱,导致多人死亡。
- oceanic island basalts 大洋岛屿玄武岩
- Eagles are found throughout the world except in Antarctica and on some remote ocean islands. 世界各地都有鹰的踪影,除了南极洲和一些遥远的海岛以外。
- oceanic island basalts (OIB) 洋岛玄武岩(OIB)